291997888

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:490

約数の個数: 112

約数和(自身を含む): 719677504

約数和(自身を除く): 427679616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 181, 182, 208, 224, 277, 362, 364, 416, 448, 554, 724, 728, 832, 1108, 1267, 1448, 1456, 1939, 2216, 2353, 2534, 2896, 2912, 3601, 3878, 4432, 4706, 5068, 5792, 5824, 7202, 7756, 8864, 9412, 10136, 11584, 14404, 15512, 16471, 17728, 18824, 20272, 25207, 28808, 31024, 32942, 37648, 40544, 50137, 50414, 57616, 62048, 65884, 75296, 81088, 100274, 100828, 115232, 124096, 131768, 150592, 200548, 201656, 230464, 263536, 350959, 401096, 403312, 527072, 651781, 701918, 802192, 806624, 1054144, 1303562, 1403836, 1604384, 1613248, 2607124, 2807672, 3208768, 4562467, 5214248, 5615344, 9124934, 10428496, 11230688, 18249868, 20856992, 22461376, 36499736, 41713984, 72999472, 145998944, 291997888]

約数ペア:

[(1, 291997888), (2, 145998944), (4, 72999472), (7, 41713984), (8, 36499736), (13, 22461376), (14, 20856992), (16, 18249868), (26, 11230688), (28, 10428496), (32, 9124934), (52, 5615344), (56, 5214248), (64, 4562467), (91, 3208768), (104, 2807672), (112, 2607124), (181, 1613248), (182, 1604384), (208, 1403836), (224, 1303562), (277, 1054144), (362, 806624), (364, 802192), (416, 701918), (448, 651781), (554, 527072), (724, 403312), (728, 401096), (832, 350959), (1108, 263536), (1267, 230464), (1448, 201656), (1456, 200548), (1939, 150592), (2216, 131768), (2353, 124096), (2534, 115232), (2896, 100828), (2912, 100274), (3601, 81088), (3878, 75296), (4432, 65884), (4706, 62048), (5068, 57616), (5792, 50414), (5824, 50137), (7202, 40544), (7756, 37648), (8864, 32942), (9412, 31024), (10136, 28808), (11584, 25207), (14404, 20272), (15512, 18824), (16471, 17728)]